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Detection of hepatitis E virus (HEV) through the different stages of pig manure composting plants.


ABSTRACT: Hepatitis E virus (HEV) is an increasing cause of acute hepatitis in industrialized countries. The aim of this study was to evaluate the presence of HEV in pig manure composting plants located in Spain. For this purpose, a total of 594 samples were taken in 54 sampling sessions from the different stages of composting treatment in these plants as follows: slurry reception ponds, anaerobic ponds, aerobic ponds, fermentation zone and composting final products. HEV was detected by reverse transcription polymerase chain reaction (RT-nested PCR) in four (80%) of five plants studied, mainly in the first stages of the process. HEV was not detected in any final product (compost) sample, destined to be commercialized as a soil fertilizer, suggesting that composting is a suitable method to eliminate HEV and thus, to reduce the transmission of HEV from pigs to humans.

SUBMITTER: Garcia M 

PROVIDER: S-EPMC3896939 | biostudies-literature | 2014 Jan

REPOSITORIES: biostudies-literature

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Detection of hepatitis E virus (HEV) through the different stages of pig manure composting plants.

García M M   Fernández-Barredo S S   Pérez-Gracia M T MT  

Microbial biotechnology 20131111 1


Hepatitis E virus (HEV) is an increasing cause of acute hepatitis in industrialized countries. The aim of this study was to evaluate the presence of HEV in pig manure composting plants located in Spain. For this purpose, a total of 594 samples were taken in 54 sampling sessions from the different stages of composting treatment in these plants as follows: slurry reception ponds, anaerobic ponds, aerobic ponds, fermentation zone and composting final products. HEV was detected by reverse transcript  ...[more]

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